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comparison packages/kernel/current/tests/tm_basic.cxx @ 34:29bc183297e1 ecos-sw-1999-09-02

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Merge from eCos master repository on 1999-09-02-16:26:10-BST
author jlarmour
date Thu, 02 Sep 1999 16:11:22 +0000
parents d3fbcdfa1b2f
children e7ba79f6d3a8
comparison
equal deleted inserted replaced
33:7a567ebab069 34:29bc183297e1
138 static fun_times alarm_ft[NALARMS]; 138 static fun_times alarm_ft[NALARMS];
139 139
140 static long rtc_resolution[] = CYGNUM_KERNEL_COUNTERS_RTC_RESOLUTION; 140 static long rtc_resolution[] = CYGNUM_KERNEL_COUNTERS_RTC_RESOLUTION;
141 static long ns_per_system_clock; 141 static long ns_per_system_clock;
142 142
143 #ifdef HAL_CLOCK_LATENCY 143 #if defined(CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY)
144 // Data kept by kernel real time clock measuring clock interrupt latency 144 // Data kept by kernel real time clock measuring clock interrupt latency
145 extern cyg_tick_count total_clock_latency, total_clock_interrupts; 145 extern cyg_tick_count total_clock_latency, total_clock_interrupts;
146 extern cyg_int32 min_clock_latency, max_clock_latency; 146 extern cyg_int32 min_clock_latency, max_clock_latency;
147 extern bool measure_clock_latency;
148 #endif
149
150 #if defined(CYGVAR_KERNEL_COUNTERS_CLOCK_DSR_LATENCY)
151 extern cyg_tick_count total_clock_dsr_latency, total_clock_dsr_calls;
152 extern cyg_int32 min_clock_dsr_latency, max_clock_dsr_latency;
147 extern bool measure_clock_latency; 153 extern bool measure_clock_latency;
148 #endif 154 #endif
149 155
150 externC void diag_printf(const char *, ...); 156 externC void diag_printf(const char *, ...);
151 157
196 // 202 //
197 // The measurements are reenabled after the printing, thus allowing for 203 // The measurements are reenabled after the printing, thus allowing for
198 // fair measurements of the kernel primitives, which are not distorted 204 // fair measurements of the kernel primitives, which are not distorted
199 // by the printing mechanisms. 205 // by the printing mechanisms.
200 206
201 #ifdef HAL_CLOCK_LATENCY 207 #if defined(CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY) && defined(HAL_CLOCK_LATENCY)
202 void 208 void
203 disable_clock_latency_measurement(void) 209 disable_clock_latency_measurement(void)
204 { 210 {
205 wait_for_tick(); 211 wait_for_tick();
206 measure_clock_latency = false; 212 measure_clock_latency = false;
220 disable_clock_latency_measurement(); 226 disable_clock_latency_measurement();
221 total_clock_latency = 0; 227 total_clock_latency = 0;
222 total_clock_interrupts = 0; 228 total_clock_interrupts = 0;
223 min_clock_latency = 0x7FFFFFFF; 229 min_clock_latency = 0x7FFFFFFF;
224 max_clock_latency = 0; 230 max_clock_latency = 0;
231 #if defined(CYGVAR_KERNEL_COUNTERS_CLOCK_DSR_LATENCY)
232 total_clock_dsr_latency = 0;
233 total_clock_dsr_calls = 0;
234 min_clock_dsr_latency = 0x7FFFFFFF;
235 max_clock_dsr_latency = 0;
236 #endif
225 enable_clock_latency_measurement(); 237 enable_clock_latency_measurement();
238
226 } 239 }
227 #else 240 #else
228 #define disable_clock_latency_measurement() 241 #define disable_clock_latency_measurement()
229 #define enable_clock_latency_measurement() 242 #define enable_clock_latency_measurement()
230 #define reset_clock_latency_measurement() 243 #define reset_clock_latency_measurement()
1431 cyg_uint32 min_stack, max_stack, total_stack, actual_stack; 1444 cyg_uint32 min_stack, max_stack, total_stack, actual_stack;
1432 cyg_tick_count_t ticks, tick0, tick1; 1445 cyg_tick_count_t ticks, tick0, tick1;
1433 #ifdef CYG_SCHEDULER_LOCK_TIMINGS 1446 #ifdef CYG_SCHEDULER_LOCK_TIMINGS
1434 cyg_uint32 lock_ave, lock_max; 1447 cyg_uint32 lock_ave, lock_max;
1435 #endif 1448 #endif
1436 #ifdef HAL_CLOCK_LATENCY 1449 #if defined(CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY) && defined(HAL_CLOCK_LATENCY)
1437 cyg_int32 clock_ave; 1450 cyg_int32 clock_ave;
1438 #endif 1451 #endif
1439 1452
1440 disable_clock_latency_measurement(); 1453 disable_clock_latency_measurement();
1441 1454
1509 diag_printf(", Ave lock:"); 1522 diag_printf(", Ave lock:");
1510 show_ticks_in_us(lock_ave); 1523 show_ticks_in_us(lock_ave);
1511 diag_printf("\n"); 1524 diag_printf("\n");
1512 #endif 1525 #endif
1513 1526
1514 #ifdef HAL_CLOCK_LATENCY 1527 #if defined(CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY) && defined(HAL_CLOCK_LATENCY)
1515 // Display latency figures in same format as all other numbers 1528 // Display latency figures in same format as all other numbers
1516 disable_clock_latency_measurement(); 1529 disable_clock_latency_measurement();
1517 clock_ave = (total_clock_latency*1000) / total_clock_interrupts; 1530 clock_ave = (total_clock_latency*1000) / total_clock_interrupts;
1518 show_ticks_in_us(clock_ave); 1531 show_ticks_in_us(clock_ave);
1519 show_ticks_in_us(min_clock_latency*1000); 1532 show_ticks_in_us(min_clock_latency*1000);
1520 show_ticks_in_us(max_clock_latency*1000); 1533 show_ticks_in_us(max_clock_latency*1000);
1521 show_ticks_in_us(0); 1534 show_ticks_in_us(0);
1522 diag_printf(" Clock/interrupt latency\n\n"); 1535 diag_printf(" Clock/interrupt latency\n\n");
1536 enable_clock_latency_measurement();
1537 #endif
1538
1539 #if defined(CYGVAR_KERNEL_COUNTERS_CLOCK_DSR_LATENCY)
1540 disable_clock_latency_measurement();
1541 clock_ave = (total_clock_dsr_latency*1000) / total_clock_dsr_calls;
1542 show_ticks_in_us(clock_ave);
1543 show_ticks_in_us(min_clock_dsr_latency*1000);
1544 show_ticks_in_us(max_clock_dsr_latency*1000);
1545 show_ticks_in_us(0);
1546 diag_printf(" Clock DSR latency\n\n");
1523 enable_clock_latency_measurement(); 1547 enable_clock_latency_measurement();
1524 #endif 1548 #endif
1525 1549
1526 disable_clock_latency_measurement(); 1550 disable_clock_latency_measurement();
1527 min_stack = STACK_SIZE; 1551 min_stack = STACK_SIZE;